Home / 109,719.76-164,455.20-50,432.92

Finding the Fourth Proportional to 109,719.76, 164,455.20 and 50,432.92

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Solution

The fourth proportional to 109,719.76, 164,455.20 and 50,432.92 is: 75,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.76 : 164,455.20 = 50,432.92 : x
  2. Step 2: Convert to fraction form
    109,719.76/164,455.20 = 50,432.92/x
  3. Step 3: Cross multiply
    109,719.76x = 164,455.20 × 50,432.92
  4. Step 4: Simplify right side
    109,719.76x = 8,293,955,945.18
  5. Step 5: Solve for x
    x = 8,293,955,945.18/109,719.76
  6. Step 6: Final answer
    x = 75,592.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.